H - Electricity – 01 – B
Patent
H - Electricity
01
B
26/129, 337/71
H01B 13/02 (2006.01)
Patent
CA 1213951
MANUFACTURE OF TELECOMMUNICATIONS CABLE CORE UNITS ABSTRACT OF THE DISCLOSURE A method and apparatus for making a core unit in which conductor pairs or units having a single direction of twist and in which angles of twist lay change along lengths of the conductor pairs. In a preferred and practical construction, the angles of twist lay of all pairs change along their lengths on a continuous basis. This angle change is cyclical and with the cycles of the angles of the pairs being out-of-phase with one another. This achieves average twist lays of the units which are substantially equal to one another from conductor pair-to-pair. The structure is achieved in a tandem operation of twisting conductors into pairs and then forming them into the core unit, preferably by stranding. - i -
444289
Mcgettigan Philip A.
Roberge Jean M.
Austin Reginald J.
Nordx/cdt Inc.
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